Fluorbaryt
荧石
🗣️ 情景例句
I'm almost ready here.
我快要准备就绪了。
It's up to us to help those in need.
我们有责任帮助那些有困难的人。
New Zealand wine is of high quality and is sold all over the world.
新西兰的葡萄酒质量很高，销往世界各地。